Hinge Device for Mounting Toilet Seat Cover

ABSTRACT

The invention discloses a hinge device for mounting a toilet seat cover, comprising an upper stand, a lower stand and a locking pin. The lower stand is provided with chutes while the upper stand is equipped with inserts matching the chutes, and the inserts and the chutes are matched with each other, by which the upper stand can be inserted into the lower stand along the set direction. The rod of the locking pin is mounted on the lower stand, the inner end of the rod extends to a limiting stand on the lower side of the upper stand, the inner end of the rod is provided with a limiting stopper. By this design, a safety apparatus is added for the separation of the upper stand from the lower stand so that the utility model is safer.

CROSS-REFERENCE TO RELATED APPLICATIONS

This present application claims the benefit of Chinese Patent Application No. 201410385077.5 filed on Aug. 7, 2014, the contents of which are hereby incorporated by reference.

FIELD OF THE INVENTION

The invention relates to a toilet, especially to a hinge device for mounting a toilet seat cover.

BACKGROUND OF THE INVENTION

The mounting apparatus for fixing the toilet seat cover to the toilet sanitary fittings (SF) traditionally realizes locking with screws. However, the toilet seat cover is not easy to disassemble and not convenient to repair and clean.

ZL201020204633.1 discloses a mounting apparatus for assembling/disassembling the toilet seat cover to facilitate easy assembly or disassemble of the toilet seat cover and toilet body. The apparatus is characterized by simple operation and reliable mechanism. However, the upper base and fixed blocks of the mechanism are fixed by means of interference fittings, which are difficult to disassemble.

SUMMARY OF THE INVENTION

The invention aims to provide a hinge device for mounting a toilet seat cover with a descent control function, which is simple, safe, reliable and convenient to disassemble.

The aim of the invention is achieved as stated below:

A hinge device for mounting a toilet seat cover comprises:

-   -   an upper base, wherein two ends of the upper base are         respectively equipped with a mounting base; the inner sides of         the mounting bases are provided with a connector respectively;         the rear side of the upper base is equipped with multiple         rotatable connectors for mounting toilet seat and toilet seat         cover;     -   a lower base, wherein two ends of the lower base are         respectively equipped with a fixing hole matching the said         mounting bases; the connectors are inserted into the fixing         holes, locking the lower base on the toilet base; the lower base         is provided with a chute; the upper base is equipped with         inserts matching the chutes; the inserts and the chutes are         matched with each other so that the upper base can be inserted         into the lower base along the set direction;     -   a locking pin comprises a rod which is mounted on the lower         base, rotatable; the inner end of the rod extends to the         limiting base on the lower side of the upper base; the inner end         of the rod is provided with a limiting stopper and the rotation         of the rod causes the limiting stopper to release from or to         lock into the limiting base.

Preferably, the front end of the said rod is provided with a stirring handle; the limiting base includes two parallel baffle; the rod extends into between the two baffle; both the baffle are provided with limiting slots; the limiting stopper is a cuboid of which the side wall is connected to the end of the rod and the rotation of the rod causes the cuboid to insert in or depart from the limiting slot.

Preferably, one of the two said limiting slots is internally provided with a flat stopper; the flat stopper presses against the limiting stopper when the limiting stopper rotates to the horizontal level towards the side on which the flat stopper is located.

Preferably, the said fixing holes are of ladder-like strip-shaped holes; the connector comprises a supporter which is adjustable in the strip-shaped hole; a rod part of the locking bolt runs through the through hole on the supporter and is connected to an expansion nut or a butterfly nut in a corresponding hole on the toilet base, which is suitably applied to the separated or one-piece toilet seat.

Preferably, the upper base is provided with movable slip covers for covering the mounting bases.

Preferably, the slip covers are provided with pressure slots by which the slip covers are convenient to slip.

Preferably, notches are provided on the wall side of the mounting bases of the upper base and closely cling to one side of the slip cover extending to the upper base.

Preferably, both left and right sides on the rear side of the said upper base are provided with descent control device connectors; the upper base is further provided with clips; the upper ends of the clips are matched with the descent control device connectors to prevent the descent control device connectors from shaking and horizontally moving; the said multiple connectors are mounted on the corresponding descent control device connectors; the inner ends of the descent control device connectors are inserted into the descent control devices; a descent control device locking cover is mounted in the middle on the rear side of the upper base, and the descent control device locking cover fixes the descent control device in the upper base.

Compared with the existing technology, the invention has the following advantages:

In the invention, the rod of the locking pin is mounted on the lower base rotatable; the inner end of the rod extends to the limiting base on the lower side of the upper base; the inner end of the rod is provided with a limiting stopper and the rotation of the rod causes the limiting stopper to depart from or to lock into the limiting base. By this design, a safety apparatus is added for the separation of the upper base from the lower base so that the invention is reliably safe.

One of the said limiting slots of the invention is internally provided with a flat stopper; the flat stopper presses against the limiting stopper when the limiting stopper rotates to the horizontal level towards the side on which the flat stopper is located. By this design, the locking pins can be located while locking, which makes the operation simple, safe and reliable.

The connector of the invention includes a supporter which is adjustable in the strip-shaped hole. The rod part of the locking bolt runs through the through hole on the supporter and is connected to an expansion nut or a butterfly nut in the corresponding hole on the toilet base, which makes the distance between the supporters adjustable if necessary, thus suitable for various types and sizes of toilet seats. The design of the expansion nut can directly screw the locking bolt into the corresponding hole on the toilet seat seal from the upside to the downside, or screw the locking bolt into the corresponding holes on the toilet base from the downside to the upside directly with the butterfly nut when the lower base is mounted, which is suitably applied to the separated or one-piece toilet seat.

The upper base of the invention is provided with a movable slip cover for covering the mounting bases, which makes the product better in appearance.

The slip cover of the invention is provided with a pressure slot by which the slip cover is easy to slip under the outer force and convenient to disassemble.

In the invention, notches are provided on the wall side of the mounting bases of the upper base and closely cling to one side of the slip cover extending to the upper base. By this design, the slip cover can be ejected by using the tool when being difficultly pushed out from the upper base due to the other reasons and convenient to carry out the subsequent maintenance.

In the invention, both left and right sides on the rear side of the upper base are provided with descent control device connectors. The upper base is further provided with clips, the upper ends of the clips are matched with the descent control device connectors to prevent the descent control device connectors from shaking and horizontally moving. The said multiple connectors are mounted on the corresponding descent control device connectors, the inner ends of the descent control device connectors are inserted into the descent control devices, a descent control device locking cover is mounted in the middle on the rear side of the upper base and the descent control device locking cover fixes the descent control device in the upper base. By this design, the toilet seat and the toilet seat cover can be closed slowly, more silently and last longer in service life.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is the structure schematic view of the invention.

FIG. 2 is one of the exploded view of the invention.

FIG. 3 is the other exploded view of the invention.

FIG. 4 is the operation schematic view of the locking pin of the invention.

FIG. 5 is the operation schematic view of the descent control device of the invention.

-   -   1-toilet seat connector; 2-supporter; 3-toilet seat cover         connector; 4-supporter; 5-toilet seat cover connector; 6-toilet         seat connector; 7-slip cover; 8-fixing hole; 9-locking bolt;         10-locking pin; 11-upper base; 12-fixing hole; 13-locking bolt;         14-lower base; 15-slip cover; 16-pressure slot; 17-pressure         slot; 18-slop cover slot; 19-chute; 20-mounting base; 21-notch;         22-notch; 23-mounting base; 24-chute; 25-slip cover slot;         26-insert; 27-pin hole; 28-insert; 29-descent control device         locking cover; 30-limiting base; 31-flat stopper; 32-baffle;         33-rod; 34-stirring handle; 35-limiting stopper; 36-baffle;         37-descent control device connector; 38-descent control device;         39-descent control device; 40-descent control device connector;         41-clip; 42-clip.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

The invention is further described with the embodiments and the accompanying drawings:

A hinge device for mounting a toilet seat cover comprises:

As shown in FIGS. 1-2, an upper base 11, wherein two ends of the upper base 11 are respectively equipped with a mounting base 20, 23, the inner sides of the mounting bases are provided with a connector 9, 13 respectively, the rear side of the upper base 11 is equipped with multiple rotatable connectors (toilet seat connector 1, toilet seat cover connector 3, toilet seat cover connector 5, toilet seat connector 6) for mounting toilet seat and toilet seat cover;

A lower base 14, wherein two ends of the lower base are respectively equipped with a fixing hole 8, 12 corresponding to the said mounting bases, the connectors are inserted into the fixing holes and lock the lower base 14 on the toilet base, the lower base 14 is provided with chutes 19, 24, the upper base 11 is equipped with inserts 28, 26 corresponding to the said chute, the insert 28, 26 and the chute are matched with each other, by which the upper base 11 can be inserted into the lower base 14 along the set direction;

As shown in FIGS. 3-4, a locking pin 10, including a rod 33, wherein the rod 33 is mounted on the lower base 14, rotatable, the inner end of the rod 33 extends to the limiting base 30 on the lower side of the upper base 11, the inner end of the rod 33 is provided with a limiting stopper 35, and the rotation of the rod 33 causes the limiting stopper 35 to depart from or lock into the limiting base 30. By this design, a safety apparatus is increased for the separation of the upper base from the lower base so that the invention is reliably safer.

Preferably, the front end of the rod 33 is provided with a stirring handle 34, the limiting base 30 includes two parallel baffle 32, 36, the rod 33 extends into between the two baffle 32 and 36, both the baffle are provided with limiting slots, the limiting stopper 35 is a cuboid of which the side wall is connected to the end of the rod 33, the rod 33 rotates so that the cuboid is inserted in or departed from the limiting slot.

Preferably, one of the said limiting slots is internally provided with a flat stopper 31; the flat stopper 31 presses against the limiting stopper 35 when the limiting stopper 35 rotates to the horizontal level towards the side on which the flat stopper is located. By this design, the locking pins can be located while locking, which makes the operation simple, safe and reliable.

As shown in FIGS. 1-2, the fixing holes 8, 12 are ladder-like strip-shaped holes, the connector includes a supporter 4, 2 which is adjustable in the strip-shaped hole, the rod part of the locking bolt 9, 13 runs through the through hole on the supporter 4, 2 and is connected to an expansion nut or a butterfly nut in the corresponding hole on the toilet base, which makes the distance between the supporters adjustable if necessary, thus fitting for various types and sizes of toilet bases. The design of the expansion nut can directly screws the locking bolt into the corresponding hole on the toilet base seal from the upside to the downside when the lower base is mounted.

Preferably, the upper base 11 is equipped with movable slip covers 15, 7 for covering the mounting base, which makes the product better in appearance.

Preferably, the slip covers are provided with pressure slots 6, 18 by which the slip cover are easy to slip under the outer force and convenient to disassemble;

Preferably, notches 21, 22 are provided on the wall side of the mounting base of the upper base 11 and closely cling to one side of the slip cover extending to the upper base 11. By this design, the slip cover can be ejected by using the tool when being difficultly pushed out from the upper base due to the other reasons and convenient to carry out the subsequent maintenance.

As shown in FIG. 3 and FIG. 5, both left and right sides on the rear side of the upper base 11 are provided with descent control device connectors 37, 40, the upper base is further provided with clips 41, 42, the upper ends of the clips are matched with the descent control device connectors to prevent the descent control device connectors from shaking and horizontally moving. The said multiple connectors (toilet seat connector 1, toilet seat cover connector 3, toilet seat cover connector 5, toilet seat connector 6) are mounted on the corresponding descent control device connectors 37, 40, the inner ends of the descent control device connectors are inserted into the descent control devices 38, 39, a descent control device locking cover 29 is mounted in the middle on the rear side of the upper base 11, and the descent control device locking cover 29 fixes the descent control device in the upper base. By this design, the toilet seat and the toilet seat cover can be closed slowly, making less noise and providing a longer service life.

The embodiments as claimed above are only the preferred ones of the invention and do not impose any restriction on the scope of protection of the invention hereby. Hence, any equivalent replacement based on the structure, shape, principle of the invention should be included in the scope of protection of the invention. 

What is claimed is:
 1. A hinge device for mounting a toilet seat cover comprises: an upper base, a lower base and a locking pin, wherein two ends of the upper base are respectively equipped with a mounting base; the inner sides of the mounting bases are provided with a connector respectively; the rear side of the upper base is equipped with multiple rotatable connectors for mounting toilet seat and toilet seat cover; two ends of the lower base are respectively equipped with a fixing hole matching the mounting base; the connectors are inserted into the fixing holes, locking the lower base on the toilet base; the lower base is provided with a chute; the upper base is equipped with inserts matching the chute; the inserts and the chutes are matched with each other so that the upper base can be inserted into the lower base along the set direction; the locking pin comprises a rod which is rotationally mounted on the lower base; the inner end of the rod extends to a limiting base on the lower side of the upper base; the inner end of the rod is provided with a limiting stopper and the rotation of the rod causes the limiting stopper to depart from or to lock into the limiting base.
 2. The hinge device for mounting a toilet seat cover as claimed in claim 1, wherein the front end of the rod is provided with a stirring handle; the limiting base includes two parallel baffle; the rod extends into between the two baffle; both the baffle are provided with limiting slots; the limiting stopper is a cuboid of which the side wall is connected to the end of the rod and the rotation of the rod causes the cuboid to insert in or depart from the limiting slot.
 3. The hinge device for mounting a toilet seat cover as claimed in claim 2, wherein one of the two said limiting slots is internally provided with a flat stopper; the flat stopper against the limiting stopper when the limiting stopper rotates to the horizontal level towards the side on which the flat stopper is located.
 4. The hinge device for mounting a toilet seat cover as claimed in claim 1, wherein the fixing holes are ladder-like strip-shaped holes; the connector comprises a supporter which is adjustable in the strip-shaped hole; the rod part of a locking bolt runs through the through hole on the supporter and is connected to an expansion nut or a butterfly nut in a corresponding hole on the toilet base, which is suitably applied to the separated or one-piece toilet seat.
 5. The hinge device for mounting a toilet seat cover as claimed in claim 1, wherein the upper base is provided with movable slip covers for covering the mounting bases.
 6. The hinge device for mounting a toilet seat cover as claimed in claim 5, wherein the slip covers are provided with a pressure slot for easy moving of the slip covers.
 7. The hinge device for mounting a toilet seat cover as claimed in claim 5, wherein a notch is provided on the wall side of the mounting bases of the upper base and closely cling to one side of the slip cover extending to the upper base.
 8. The hinge device for mounting a toilet seat cover as claimed in claim 1, wherein both left and right sides on the rear side of the upper base are provided with descent control device connectors; the upper base is further provided with clips; the upper ends of the clips are matched with the descent control device connectors to prevent the descent control device connectors from shaking and horizontally moving; the multiple connectors are mounted on the corresponding descent control device connectors; the inner ends of the descent control device connectors are inserted into the descent control devices; a descent control device locking cover is mounted in the middle on the rear side of the upper base, and the descent control device locking cover mount the descent control device in the upper base. 